From 7c7085c9328ce41c97469dc50232737814a7b95f Mon Sep 17 00:00:00 2001
From: Brandon Millman <brandon.millman@gmail.com>
Date: Thu, 20 Dec 2018 14:45:06 -0800
Subject: feature(contract-wrappers): add support for Trust Wallet signature
 denial errors when trying to sense signature denial from a provider

---
 packages/contract-wrappers/src/utils/constants.ts  | 3 ++-
 packages/contract-wrappers/src/utils/decorators.ts | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'packages/contract-wrappers/src/utils')

diff --git a/packages/contract-wrappers/src/utils/constants.ts b/packages/contract-wrappers/src/utils/constants.ts
index c587ba526..94afdc112 100644
--- a/packages/contract-wrappers/src/utils/constants.ts
+++ b/packages/contract-wrappers/src/utils/constants.ts
@@ -14,5 +14,6 @@ export const constants = {
     ZERO_AMOUNT: new BigNumber(0),
     ONE_AMOUNT: new BigNumber(1),
     ETHER_TOKEN_DECIMALS: 18,
-    USER_DENIED_SIGNATURE_PATTERN: 'User denied transaction signature',
+    METAMASK_USER_DENIED_SIGNATURE_PATTERN: 'User denied transaction signature',
+    TRUST_WALLET_USER_DENIED_SIGNATURE_PATTERN: 'cancelled',
 };
diff --git a/packages/contract-wrappers/src/utils/decorators.ts b/packages/contract-wrappers/src/utils/decorators.ts
index a4207ae4c..3acfa3a88 100644
--- a/packages/contract-wrappers/src/utils/decorators.ts
+++ b/packages/contract-wrappers/src/utils/decorators.ts
@@ -30,7 +30,10 @@ const schemaErrorTransformer = (error: Error) => {
 };
 
 const signatureRequestErrorTransformer = (error: Error) => {
-    if (_.includes(error.message, constants.USER_DENIED_SIGNATURE_PATTERN)) {
+    if (
+        _.includes(error.message, constants.METAMASK_USER_DENIED_SIGNATURE_PATTERN) ||
+        _.includes(error.message, constants.TRUST_WALLET_USER_DENIED_SIGNATURE_PATTERN)
+    ) {
         const errMsg = ContractWrappersError.SignatureRequestDenied;
         return new Error(errMsg);
     }
-- 
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